Android Open Source - netmbuddy Exporter Playlist

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------- Default ------- Copyright (C) 2012, 2013, 2014 Younghyung Cho. <yhcting77@gmail.com> All rights reserved. This file is part of NetMBuddy This program is licensed under the FreeBSD license R...

Java Source Code

/******************************************************************************
 * Copyright (C) 2012, 2013, 2014/*  ww  w.j a  va2 s . com*/
 * Younghyung Cho. <yhcting77@gmail.com>
 * All rights reserved.
 *
 * This file is part of NetMBuddy
 *
 * This program is licensed under the FreeBSD license
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies, either expressed or implied, of the FreeBSD Project.
 *****************************************************************************/

package free.yhc.netmbuddy.share;

import static free.yhc.netmbuddy.utils.Utils.eAssert;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.zip.ZipOutputStream;

import org.json.JSONException;
import org.json.JSONObject;

import free.yhc.netmbuddy.R;
import free.yhc.netmbuddy.model.Policy;
import free.yhc.netmbuddy.share.Share.Err;
import free.yhc.netmbuddy.share.Share.ExporterI;
import free.yhc.netmbuddy.share.Share.Type;
import free.yhc.netmbuddy.utils.FileUtils;
import free.yhc.netmbuddy.utils.Utils;

class ExporterPlaylist implements ExporterI {
    private static final boolean DBG = false;
    private static final Utils.Logger P = new Utils.Logger(ExporterPlaylist.class);

    private final File  _mFout;
    private final long  _mPlid;

    ExporterPlaylist(File fout, long plid) {
        _mFout = fout;
        _mPlid = plid;
    }

    private static Err
    exportShareJson(ZipOutputStream zos, JSONObject jo, String shareName) {
        ByteArrayInputStream bais;
        try {
            bais = new ByteArrayInputStream(jo.toString().getBytes("UTF-8"));
        } catch (UnsupportedEncodingException e) {
            return Err.UNKNOWN;
        }

        try {
            FileUtils.zip(zos, bais, shareName);
        } catch (IOException e) {
            return Err.IO_FILE;
        } finally {
            try {
                bais.close();
            } catch (IOException ignored) { }
        }
        return Err.NO_ERR;
    }

    @Override
    public Err
    execute() {
        JSONObject jsonPl = Json.playlistToJson(_mPlid);
        JSONObject jsonMeta = Json.createMetaJson(Type.PLAYLIST);
        JSONObject jo = new JSONObject();

        if (null == jsonPl)
            return Err.PARAMETER;

        eAssert(null != jsonMeta);
        try {
            jo.put(Json.FMETA, jsonMeta);
            jo.put(Json.FPLAYLIST, jsonPl);
        } catch (JSONException e) {
            return Err.UNKNOWN;
        }

        String shareName = "";
        try {
            shareName = FileUtils.pathNameEscapeString(Utils.getResString(R.string.playlist)
                                                       + "_"
                                                       + jsonPl.getString(Json.FTITLE)
                                                       + "."
                                                       + Policy.SHARE_FILE_EXTENTION);
        } catch (JSONException e) {
            return Err.UNKNOWN;
        }

        ZipOutputStream zos;
        try {
            zos = new ZipOutputStream(new FileOutputStream(_mFout));
        } catch (FileNotFoundException e) {
            return Err.IO_FILE;
        }

        Err err = exportShareJson(zos, jo, shareName);
        try {
            zos.close();
        } catch (IOException e) {
            return Err.IO_FILE;
        }

        return err;
    }
}

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